Cell Membrane Structure

Regulating what enters and leaves the cell helps the cell maintain _________________-. 

• homeostasis

• heredity

Tags

NGSS.HS-LS1-3

Phospholipid heads are...

• Hydrophobic
• Hydrophilic

___________ in the cell membrane allow cells to recognize each other and act like ID tags.

• Proteins

• Carbohydrates

How many layers is the lipid bilayer?

• 2

• 3

The function of the plasma membrane is....

• to regulate what enters and leaves the cell.

• fight bacteria and viruses that enter the cell.

Tags

NGSS.HS-LS1-3

"Water Loving"

• Hydrophilic 

• Hydroelectric 

Describes the arrangement of the cell membrane as

made of many parts that can flow and move.

• The Stuck in Place Model

• The Fluid Mosaic Model

___________ form the two layers of the cell membrane. 

• Carbohydrates 

• Phospholipids 

Which of the following is a true statement?

• Cells are large because it allows a slower rate of chemical exchange.

• Cells are small because it allows a faster rate of chemical exchange.

Which of the following molecules pass easily through the cell membrane, requiring little extra help or energy? Select all that apply.

• sodium ion

• glucose

• oxygen

• carbon dioxide